| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Haire Robert Joseph | EVP, Supply Chain | 1101 SKOKIE BOULEVARD, SUITE 500, NORTHBROOK | /s/ James A. Hart, attorney-in-fact for Robert Haire | 05 Jan 2026 | 0001976755 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SCL | Common Stock | Options Exercise | $89,265 | +1,891 | +320% | $47.20 | 2,482 | 31 Dec 2025 | Direct | F1 |
| holding | SCL | Common Stock | 90 | 31 Dec 2025 | By ESOP II Trust |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SCL | Restricted Stock Units | Options Exercise | $0 | -1,891 | -50% | $0.000000 | 1,892 | 31 Dec 2025 | Restricted Stock Units | 1,891 | Direct | F1, F2, F3 | |
| transaction | SCL | Restricted Stock Units | Tax liability | $27,096 | -574 | -30% | $47.20 | 1,318 | 31 Dec 2025 | Restricted Stock Units | 574 | Direct | F2, F3, F4 |
| Id | Content |
|---|---|
| F1 | The restricted stock units ("RSUs") were settled in shares of common stock per the terms of the award. |
| F2 | Each RSU represents a contingent right to receive one share of Stepan Company common stock. |
| F3 | Vest ratably over two years beginning on the date shown. |
| F4 | Withholding of shares to satisfy tax liability on the vesting of RSUs. |